Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and no flanges on the inner ring, NU design bearings can accommodate axial displacement in both directions. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
| d |
420 mm
|
Bore diameter |
|---|---|---|
| D |
520 mm
|
Outside diameter |
| B |
46 mm
|
Width |
| D1 |
≈ 488 mm
|
Shoulder diameter of outer ring |
| F |
447 mm
|
Raceway diameter of inner ring |
| r1,2 |
min. 2.1 mm
|
Chamfer dimension |
| s |
max. 3.3 mm
|
Permissible axial displacement |
| da |
min. 431 mm
|
Diameter of spacer sleeve |
|---|---|---|
| da |
max. 442 mm
|
Diameter of spacer sleeve |
| db |
min. 452 mm
|
Diameter of shaft abutment |
| Da |
max. 508 mm
|
Diameter of housing abutment |
| ra |
max. 2 mm
|
Radius of fillet |
| ra |
max. 2 mm
|
Radius of fillet |
| rb |
max. 2 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
572 kN
|
|---|---|---|
| Basic static load rating | C0 |
1 200 kN
|
| Fatigue load limit | Pu |
102 kN
|
| Reference speed |
1 200 r/min
|
|
| Limiting speed |
1 800 r/min
|
|
| Minimum load factor | kr |
0.1
|
| Limiting value | e |
0.2
|
| Calculation factor | Y |
0.6
|
| Mass |
22 kg
|
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